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Database Administration Questions


Q:

A caribbean shape that makes ships disappear

A) Square B) Triangle
C) Circle D) Pentagon
 
Answer & Explanation Answer: B) Triangle

Explanation:

The triangle is a caribbean shape that makes ships disappear.

 

A_caribbean_shape_that_makes_ships_disappear1558074852.jpg image

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1 4162
Q:

What's the difference between Session and Cookie?

Answer

The principle distinction amongst sessions and cookies is that sessions are put away on the server, and cookies are put away on the client's PCs in the content record position. Cookies can not hold various variables,But Session can hold numerous variables.We can set expiry for a cookie,The session just stays dynamic the length of the program is open.Users don't have admittance to the information you put away in Session,Since it is put away in the server. Session is mostly utilized for login/logout reason while cookies utilizing for client movement following.

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Subject: PHP
Job Role: Database Administration

1 4152
Q:

Who invented Electric Generator?

A) Michael Faraday B) Thomas Alva Edison
C) Graham Bell D) Alfred Nobel
 
Answer & Explanation Answer: A) Michael Faraday

Explanation:

Michael Faraday invented Electric Generator in 1831.

 

        • The operating principle of electromagnetic generators was discovered in the years of 1831–1832 by Michael Faraday.

 

        • The principle later called Faraday's law, is that an electromotive force is generated in an electrical conductor which encircles a varying magnetic flux.


 

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Filed Under: Inventions
Exam Prep: CAT , Bank Exams , AIEEE
Job Role: IT Trainer , Database Administration , Bank PO , Analyst

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Q:

From a group of 7 boys and 6 girls, five persons are to be selected to form a team, so that at least 3 girls are there in the team. In how many ways can it be done?

A) 427 B) 531
C) 651 D) 714
 
Answer & Explanation Answer: B) 531

Explanation:

Given in the question that, there are 7 boys and 6 girls. 

Team members = 5

Now, required number of ways in which a team of 5 having atleast 3 girls in the team = 

(6C3  x 7C2)  + (6C4 x 7C1) + (6C5)= [6x5x43x2x1 x 7x62x1] + [6x5x4x34x3x2x1 x 7] + [6x5x4x3x25x4x3x2x1]= 420 + 105 + 6= 531.

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5 4111
Q:

Which of the following memory is volatile?

A) RAM B) Floppy disc
C) ROM D) Magnetic tape
 
Answer & Explanation Answer: A) RAM

Explanation:

Volatile memory is computer memory that requires power to maintain the stored information. It is a temporary memeory which cannot contain information permanently.

Example :: RAM or Random Access Memory

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4 4072
Q:

MS-EXCEL is based on

A) OS/2 B) UNIX
C) WINDOWS D) DOS
 
Answer & Explanation Answer: C) WINDOWS

Explanation:

Microsoft Excel is a spreadsheet developed by Microsoft for Windows, macOS, Android and iOS. It features calculation, graphing tools, pivot tables, and a macro programming language called Visual Basic for Applications.

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4 4069
Q:

Synonym of Trustworthy?

A) Tenacity B) Insolent
C) Resolute D) Reliable
 
Answer & Explanation Answer: D) Reliable

Explanation:
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3 4054
Q:

System Study involves

A) documenting the existing system B) identifying current deficiencies and establishing new goals
C) study of an existing system D) All the above
 
Answer & Explanation Answer: D) All the above

Explanation:
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Filed Under: Computer
Exam Prep: AIEEE , Bank Exams , CAT , GATE , GRE
Job Role: Analyst , Bank Clerk , Bank PO , Database Administration , IT Trainer

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